1,Price:6-10% lower than other factory 2,Short leading time:20days 3,High quality with ISO 4, ... .00R20,11.00-20,11.00R20,10+1unitsBattery:12v,180Ah;2 units in seriea connectionTank material:Carbon steel/stainless steel/reinforced ... ):15, 20,25,30,35Option:refit according to customers' need water tank truck